package com.cb.controller;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cb.common.R;
import com.cb.entity.Employee;
import com.cb.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    /**
     * 员工登录
     */
    @PostMapping("/login")
    public R<Employee> login(@RequestBody Employee employee, HttpServletRequest request){
        //1、将页面提交的密码进行md5加密处理
        String password = employee.getPassword();
        password= DigestUtils.md5DigestAsHex(password.getBytes());
        //2、根据页面提交的用户名来查数据库
        Employee emp=employeeService.login(employee);
        //3、如果没有查询到则返回失败结果
        if (emp==null) {
            return R.error("登录失败！");
        }
        //4、比对密码，如果不一致则返回失败结果
        if (!emp.getPassword().equals(password)) {
            return R.error("密码错误！");
        }
        //5、查看员工状态，如果已禁用状态，则返回员工已禁用结果
        if(emp.getStatus()==0){
            return R.error("账号已经禁用！");
        }
        //6、登录成功，将用户id存入Session并返回成功结果
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
    }

    /**
     * 员工退出
     */
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        //清理Session中保存的当前员工登录的id
        request.getSession().removeAttribute("employee");
        return R.success("退出成功！");
    }

    /**
     * 新增员工
     */
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        log.info("新增员工，员工信息：{}",employee.toString());
        //设置初始密码，需要进行md5加密处理
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

        /*employee.setCreateTime(LocalDateTime.now());
        employee.setUpdateTime(LocalDateTime.now());
        Long empId=(Long) request.getSession().getAttribute("employee");
        employee.setCreateUser(empId);
        employee.setUpdateUser(empId);*/

        employeeService.save(employee);
        return R.success("新增员工成功！");
    }

    /**
     * 员工信息分页查询
     */
    @GetMapping("/page")
    public R<IPage<Employee>> page(int page, int pageSize, String name){
        log.info("page={},pageSize={},name={}", page, pageSize, name);

        //构造分页构造器
        Page<Employee> employeePage = new Page<>(page, pageSize);
        IPage<Employee> page1=employeeService.getEmployee(employeePage,name);
        return R.success(page1);
    }

    /**
     * 根据id修改员工信息(编辑、启用/禁用账号)
     */
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        log.info(employee.toString());

        /*Long empId = (Long) request.getSession().getAttribute("employee");
        employee.setUpdateTime(LocalDateTime.now());
        employee.setUpdateUser(empId);*/

        employeeService.updateById(employee);
        return R.success("员工信息修改成功！");
    }

    /**
     * 根据id查询员工信息
     */
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable String id){
        log.info("根据id查对象");
        Employee employee = employeeService.getById(id);
        if(employee!=null){
            return R.success(employee);
        }
        return R.error("没有查询到该用户信息！");
    }


}
